NO20014939D0 - Method for separating lignocellulose-containing biomass - Google Patents

Method for separating lignocellulose-containing biomass

Info

Publication number
NO20014939D0
NO20014939D0 NO20014939A NO20014939A NO20014939D0 NO 20014939 D0 NO20014939 D0 NO 20014939D0 NO 20014939 A NO20014939 A NO 20014939A NO 20014939 A NO20014939 A NO 20014939A NO 20014939 D0 NO20014939 D0 NO 20014939D0
Authority
NO
Norway
Prior art keywords
lignin
alkanolamine
containing biomass
cellulose
lignocellulose
Prior art date
Application number
NO20014939A
Other languages
Norwegian (no)
Other versions
NO20014939L (en
Inventor
Ties Karstens
Original Assignee
Rhodia Acetow Gmbh
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Rhodia Acetow Gmbh filed Critical Rhodia Acetow Gmbh
Publication of NO20014939D0 publication Critical patent/NO20014939D0/en
Publication of NO20014939L publication Critical patent/NO20014939L/en

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C1/00—Pretreatment of the finely-divided materials before digesting
    • D21C1/02—Pretreatment of the finely-divided materials before digesting with water or steam
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C3/00—Pulping cellulose-containing materials
    • D21C3/003—Pulping cellulose-containing materials with organic compounds

Landscapes

  • Paper (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Extraction Or Liquid Replacement (AREA)
  • Treatment Of Sludge (AREA)
  • Compounds Of Unknown Constitution (AREA)
  • Processing Of Solid Wastes (AREA)

Abstract

The invention relates to a method for separating lignocellulose-containing biomass, especially wood, into the essential components in the form of lignin, hemicellulose and cellulose, with the following steps: a) pre-hydrolyzing the lignocellulose-containing biomass by treating it with water or steam; b) extracting the hydrolyzed hemicellulose obtained by pre-hydrolyzation with an aqueous medium; c) extracting the process-modified lignin that remains in the residue with an alkanolamine, isolating the lignin, recovering the alkanolamine, whereby the alkanolamine is not substituted by alkyl groups at the nitrogen atom, and d) obtaining a cellulose raw material. The inventive method is characterized in that hemicelluloses and lignin can be specifically separated from the cellulose in two different process steps. For this purpose, simple and commercially available system components can be used that facilitate an economical operation also with small installations.
NO20014939A 1999-04-12 2001-10-10 Method for separating lignocellulose-containing biomass NO20014939L (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19916347A DE19916347C1 (en) 1999-04-12 1999-04-12 Process for separating biomass containing lignocellulose
PCT/EP2000/003212 WO2000061858A1 (en) 1999-04-12 2000-04-11 Method for separating lignocellulose-containing biomass

Publications (2)

Publication Number Publication Date
NO20014939D0 true NO20014939D0 (en) 2001-10-10
NO20014939L NO20014939L (en) 2001-12-04

Family

ID=7904218

Family Applications (1)

Application Number Title Priority Date Filing Date
NO20014939A NO20014939L (en) 1999-04-12 2001-10-10 Method for separating lignocellulose-containing biomass

Country Status (18)

Country Link
EP (1) EP1190137B1 (en)
JP (1) JP2002541355A (en)
CN (1) CN1208514C (en)
AT (1) ATE255187T1 (en)
AU (1) AU756976B2 (en)
BR (1) BR0011169B1 (en)
CA (1) CA2368872C (en)
CZ (1) CZ298831B6 (en)
DE (2) DE19916347C1 (en)
ES (1) ES2213011T3 (en)
NO (1) NO20014939L (en)
NZ (1) NZ515051A (en)
PL (1) PL203363B1 (en)
PT (1) PT1190137E (en)
RU (1) RU2220245C2 (en)
SK (1) SK14392001A3 (en)
WO (1) WO2000061858A1 (en)
ZA (1) ZA200108406B (en)

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DE10145338C1 (en) * 2001-09-14 2003-04-17 Rhodia Acetow Gmbh Process for the separation of hemicelluloses from hemicellulose-containing biomass
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Also Published As

Publication number Publication date
DE50004573D1 (en) 2004-01-08
AU756976B2 (en) 2003-01-30
ES2213011T3 (en) 2004-08-16
CN1208514C (en) 2005-06-29
PL351393A1 (en) 2003-04-07
BR0011169B1 (en) 2011-02-22
RU2220245C2 (en) 2003-12-27
SK14392001A3 (en) 2002-04-04
ZA200108406B (en) 2002-12-24
DE19916347C1 (en) 2000-11-09
PT1190137E (en) 2004-04-30
JP2002541355A (en) 2002-12-03
PL203363B1 (en) 2009-09-30
EP1190137B1 (en) 2003-11-26
NZ515051A (en) 2003-03-28
AU4399500A (en) 2000-11-14
ATE255187T1 (en) 2003-12-15
CN1352716A (en) 2002-06-05
EP1190137A1 (en) 2002-03-27
CZ298831B6 (en) 2008-02-20
BR0011169A (en) 2002-02-19
CZ20013627A3 (en) 2003-10-15
WO2000061858A1 (en) 2000-10-19
CA2368872A1 (en) 2000-10-19
NO20014939L (en) 2001-12-04
CA2368872C (en) 2005-11-29

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